c4cph.dk

📜 Historical scan 2026-09-20 22:48:52 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

c4cph.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 November 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.242 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by c4cph-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 34ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
77.111.240.242	3600s	webcluster2.wordpresspod1-cph3.one.com	AS51468	One.com A/S	77.111.240.0/22	🇩🇰 Denmark	Copenhagen

📧 MX Records#

1 records 34ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	3600s	c4cph-dk.mail.protection.outlook.com	2a01:111:f403:ca04::8 2a01:111:f403:ca09::22 2a01:111:f403:ca38::8 2a01:111:f403:ca38::a 52.101.103.137 52.101.68.12 52.101.68.18 52.101.73.126	mail-db5pr02cu00100.inbound.protection.outlook.com mail-am7pr02cu00302.inbound.protection.outlook.com mail-wa4pr04cu00100.inbound.protection.outlook.com mail-wa4pr05cu00102.inbound.protection.outlook.com mail-miypr02cu00101.inbound.protection.outlook.com mail-db9pr02cu00204.inbound.protection.outlook.com mail-db4pr02cu00302.inbound.protection.outlook.com mail-am8pr83cu00106.inbound.protection.outlook.com	AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.104.116.24

🔷 AAAA Records (IPv6)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a02:2350:5:101:8094:da02:63c8:81d1	3600s	—	AS51468	One.com A/S	2a02:2350:0:0:0:0:0:0/32	🇩🇰 Denmark	Copenhagen

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 98ms

Service	Priority	Weight	Port	Target
_sipfederationtls._tcp	100	1	5061	sipfed.online.lync.com

📝 TXT Records#

2 records 198ms

TXT Record
MS=ms40679612
v=spf1 include:spf.protection.outlook.com -all

✉️ SPF#

Policy	Record (c4cph.dk)
-all (hard fail)	v=spf1 include:spf.protection.outlook.com -all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-16 17:17:23

www	77.111.240.242 2a02:2350:5:101:8094:da02:63c8:81d1 (AS51468) (address records, no CNAME)
www vs bare domain	Same network c4cph.dk: 77.111.240.242 2a02:2350:5:101:8094:da02:63c8:81d1 (AS51468) www.c4cph.dk: 77.111.240.242 2a02:2350:5:101:8094:da02:63c8:81d1 (AS51468)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

111ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2026091801
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-06 09:28:16

Field	Value
Registrar	ONE.COM A/S
Registered	2021-11-22
Expires	2026-11-21 (34d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

34ms

AAAA

33ms

TXT

198ms

CAA

35ms

HTTPS

27ms

TLSA

754ms

SOA

0ms

MTA-STS

53ms

DNSSEC

111ms

SRV

98ms

Total

1445ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-28 01:02:09	988ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-24 12:50:06	1047ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-23 12:31:30	812ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 22:48:52 shown	1445ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 19:18:53	8956ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 23:41:05	860ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:48:40	559ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-16 18:40:13	2518ms	2 NS 1 A 1 MX	🔒 Secure